A Model Rocket Is Launched with an Initial Velocity of 200

question 59

Multiple Choice

A model rocket is launched with an initial velocity of 200 ft/s. The height, h, in feet, of the rocket t seconds after the launch is given by . How many seconds after the launch will the rocket be 100 ft above the ground? Round to the nearest hundredth of a second.

• A) 0.26 s and 12.24 s
• B) 0.52 s and 11.98 s
• C) 23.96 s
• D) 0.48 s and 12.98 s
• E) 1.04 s and 23.96 s

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